many fixes and improvements - rework for modules/ and common/

feat(emailer): add Postmark and Resend providers

backend/Modules/Identity/Configuration/JwtOptions.cs

@@ -0,0 +1,14 @@
+namespace Hutopy.Modules.Identity.Configuration;
+
+public record JwtOptions
+{
+    public const string SectionName = "Authentication:Jwt";
+    
+    public required TimeSpan Lifetime { get; init; }
+    public required string Issuer { get; init; }
+    public required string Audience { get; init; }
+    public required string Key { get; init; }
+    
+    public TimeSpan RefreshTokenLifetime { get; init; }
+    public bool RefreshTokenRequireRotation { get; init; }
+}